The role of 3D susceptibility weighted imaging in the evaluation of cerebral venous malformation
Wang De-han
Abstract
Wang De-han
Abstract
Objective To discuss the value of 3D susceptibility weighted imaging(SWI) in the diagnosis of cerebral venous malformation(CVM).Methods Thirty CVM patients were examined with a 3.0T MRI scanner.The sequences included the conventional MRI,3D SWI and contrast enhanced T1WI.Comparisons were made among SWI,contrast enhanced T1WI and conventional sequences.The image quality of CVM was graded.Results SWI could demonstrate conspicuously both numerous deep medullary veins and collector veins as the contrast enhanced MRI did,which were hardly visible on T1-weighted images or T2-weighted images.Conclusion SWI is a sensitive sequence for detecting CVMs.It allows better visualization of CVMs without contrast agents.
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Objective To discuss the value of 3D susceptibility weighted imaging(SWI) in the diagnosis of cerebral venous malformation(CVM).Methods Thirty CVM patients were examined with a 3.0T MRI scanner.The sequences included the conventional MRI,3D SWI and contrast enhanced T1WI.Comparisons were made among SWI,contrast enhanced T1WI and conventional sequences.The image quality of CVM was graded.Results SWI could demonstrate conspicuously both numerous deep medullary veins and collector veins as the contrast enhanced MRI did,which were hardly visible on T1-weighted images or T2-weighted images.Conclusion SWI is a sensitive sequence for detecting CVMs.It allows better visualization of CVMs without contrast agents.
Key concepts: Susceptibility weighted imaging, Medicine, Medullary cavity, Radiology, Contrast (vision), Magnetic resonance imaging, Venous malformation, Nuclear medicine